Finite Group Databasebeta

C9×Dic109 #16840978

order3924
isoclinismisoclinic class of D109
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×Dic109

Splittings

derived, SylowC109 ⋊ C4×C9
HallC9×C109 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2×C9D109
commutator, hypocenterC109C4×C9
FrattiniC2×C3C3×D109
FittingC2×C9×C109C2
socle, prime radical, cosocleC2×C3×C109C2×C3
LCSG ▷ C109
UCSC1 ◁ C2×C9

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 122
transitive degreeμt(G) = 3924

A minimal faithful permutation representation — 2 generators on 122 points:

(1,2,3,4,5,6,7,8,9)(10,11)(12,13)(14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122);(10,12,11,13)(15,122)(16,121)(17,120)(18,119)(19,118)(20,117)(21,116)(22,115)(23,114)(24,113)(25,112)(26,111)(27,110)(28,109)(29,108)(30,107)(31,106)(32,105)(33,104)(34,103)(35,102)(36,101)(37,100)(38,99)(39,98)(40,97)(41,96)(42,95)(43,94)(44,93)(45,92)(46,91)(47,90)(48,89)(49,88)(50,87)(51,86)(52,85)(53,84)(54,83)(55,82)(56,81)(57,80)(58,79)(59,78)(60,77)(61,76)(62,75)(63,74)(64,73)(65,72)(66,71)(67,70)(68,69)

Conjugacy classes & character table

1008 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC5×C9×Dic109, C9×Dic545, C9×#14546128, …
maximal normal subgroup ofC5×C9×Dic109, C7×C9×Dic109
maximal quotient ofC5×C9×Dic109, C9×Dic545, C9×#14546128, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3924, 5);